Date: Fri, 12 Dec 1997 01:38:28 -0700 (MST)
From: Tia Hoyes
Subject: 3.5m obslog 971211
                        THURSDAY   DECEMBER 11, 1997
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER   INSTRUMENT   DATE   START FINISH
Gillespie      -----      12/11  ----- -----
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
EN01/S     18:26 05:28    0    0   0.2  10.8  0    0    0    0    0
(note: times listed include instrument change time)
                               ACTIVITY LOG
(* means a trouble report has been issued or appended to)
The telescope was not open tonight due to snow and ice on the roof of the
enclosure.  Also, we had extremely high winds all night and
extremely cold temperatures.
Lastest forecast:(21:00)
.OVERNIGHT...PARTLY CLOUDY AND VERY COLD. AREAS OF LOW CLOUDS AND FOG
DEVELOPING ALONG THE EASTERN FOOTHILLS.
.FRIDAY...MORNING LOW CLOUDS AND FOG EAST SLOPES...OTHERWISE MOSTLY
SUNNY AND COOL. NORTHEAST WIND 10-15 MPH.
.FRIDAY NIGHT...MOSTLY CLEAR AND COLD....EXCEPT AREAS OF LOW CLOUDS
AND FOG DEVELOPING EAST SLOPES.
                               FOCUS LOG
                           DECEMBER  11, 1997
                Best    Telescope            Wind                 Seeing
Time   Inst     Focus    Az   El   Temp#     Dir  MPH     filter   FWHM "
-----NO FOCUS DATA-----
# The first temp is air, the second is truss, both in degrees C.
                                 WEATHER
			    DECEMBER  11,  1997
                                 Wind
    Time   Temp F Dewp.   MPH.    Dir.       DUST     Sky         Precip.
     16:01     7     1     10    79  (ENE)    410  overcast        none
     17:01     6     1     20    75  (ENE)    416   cloudy         none
     18:01     6    -1     21    70  (ENE)    356  light clouds    none
     19:01     6     1     37    65  (ENE)    364  light clouds    none
     20:01     5     2     32    78  (ENE)    362  light clouds    none
     21:01     6    -1     43    71  (ENE)    288  light clouds    none
     22:01     5    -4     41    63  (ENE)    238  light clouds    none
     23:01     5    -2     27    57  (NE)     403  light clouds    none
     00:01     5     0     52    55  (NE)     266  light clouds    none
     01:01     5     1     42    68  (ENE)    301  light clouds    none
note: the wind was coming from the azimuth listed.  The convention
used is north=0 degrees, east=90 degrees.  The dust count is particles
>1 micron per 0.1 cu. ft.
                             TELESCOPE STATUS
Primary, secondary, and tertiary mirrors in place and collimated.
Primary support system operational.  Mirror ventilation system in place.
Telescope drives operational.  Current Remark version: 2.36
Current guide software version:GIm Ctrlv3.0b11.
-Tia